Commune with Madness

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Delve ( Each card you exile from your graveyard while casting this spell pays for {1})
Draw two cards, then discard a card.
"Madness is an excellent thing to commune with. It always and never agrees with you." -Mezzen, the Weird-Blooded